[llvm] r365284 - Revert "[IRBuilder] Fold consistently for or/and whether constant is LHS or RHS"
Philip Reames via llvm-commits
llvm-commits at lists.llvm.org
Mon Jul 8 13:25:55 PDT 2019
Thanks for reverting. Sorry I didn't see your response on Friday.
Philip
On 7/7/19 3:12 PM, Petr Hosek via llvm-commits wrote:
> Author: phosek
> Date: Sun Jul 7 15:12:01 2019
> New Revision: 365284
>
> URL: http://llvm.org/viewvc/llvm-project?rev=365284&view=rev
> Log:
> Revert "[IRBuilder] Fold consistently for or/and whether constant is LHS or RHS"
>
> This reverts commit r365260 which broke the following tests:
>
> Clang :: CodeGenCXX/cfi-mfcall.cpp
> Clang :: CodeGenObjC/ubsan-nullability.m
> LLVM :: Transforms/LoopVectorize/AArch64/pr36032.ll
>
> Modified:
> llvm/trunk/include/llvm/IR/IRBuilder.h
> llvm/trunk/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll
> llvm/trunk/test/Instrumentation/BoundsChecking/opt.ll
> llvm/trunk/test/Transforms/LoopDistribute/scev-inserted-runtime-check.ll
> llvm/trunk/test/Transforms/LoopPredication/basic.ll
> llvm/trunk/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll
> llvm/trunk/test/Transforms/LoopPredication/invariant_load.ll
> llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll
> llvm/trunk/test/Transforms/LoopVectorize/X86/pr35432.ll
> llvm/trunk/test/Transforms/LoopVectorize/pr30654-phiscev-sext-trunc.ll
>
> Modified: llvm/trunk/include/llvm/IR/IRBuilder.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/IRBuilder.h?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/IR/IRBuilder.h (original)
> +++ llvm/trunk/include/llvm/IR/IRBuilder.h Sun Jul 7 15:12:01 2019
> @@ -1197,9 +1197,6 @@ public:
> }
>
> Value *CreateAnd(Value *LHS, Value *RHS, const Twine &Name = "") {
> - if (auto *LC = dyn_cast<ConstantInt>(LHS))
> - if (LC->isMinusOne())
> - return RHS; // -1 & RHS = RHS
> if (auto *RC = dyn_cast<Constant>(RHS)) {
> if (isa<ConstantInt>(RC) && cast<ConstantInt>(RC)->isMinusOne())
> return LHS; // LHS & -1 -> LHS
> @@ -1226,9 +1223,6 @@ public:
> }
>
> Value *CreateOr(Value *LHS, Value *RHS, const Twine &Name = "") {
> - if (auto *LC = dyn_cast<Constant>(LHS))
> - if (LC->isNullValue())
> - return RHS; // 0 | RHS -> RHS
> if (auto *RC = dyn_cast<Constant>(RHS)) {
> if (RC->isNullValue())
> return LHS; // LHS | 0 -> LHS
>
> Modified: llvm/trunk/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll (original)
> +++ llvm/trunk/test/Analysis/LoopAccessAnalysis/wrapping-pointer-versioning.ll Sun Jul 7 15:12:01 2019
> @@ -53,6 +53,8 @@ target datalayout = "e-m:o-i64:64-f80:12
> ; LV-NEXT: [[CheckOr0:%[^ ]*]] = or i1 [[Cmp]], [[BECheck]]
> ; LV-NEXT: [[PredCheck0:%[^ ]*]] = or i1 [[CheckOr0]], [[OFMulOverflow]]
>
> +; LV-NEXT: [[Or0:%[^ ]*]] = or i1 false, [[PredCheck0]]
> +
> ; LV-NEXT: [[OFMul1:%[^ ]*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 4, i64 [[BE]])
> ; LV-NEXT: [[OFMulResult1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 0
> ; LV-NEXT: [[OFMulOverflow1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 1
> @@ -63,7 +65,7 @@ target datalayout = "e-m:o-i64:64-f80:12
> ; LV-NEXT: [[Cmp:%[^ ]*]] = select i1 false, i1 [[CmpNeg1]], i1 [[CmpPos1]]
> ; LV-NEXT: [[PredCheck1:%[^ ]*]] = or i1 [[Cmp]], [[OFMulOverflow1]]
>
> -; LV: [[FinalCheck:%[^ ]*]] = or i1 [[PredCheck0]], [[PredCheck1]]
> +; LV: [[FinalCheck:%[^ ]*]] = or i1 [[Or0]], [[PredCheck1]]
> ; LV: br i1 [[FinalCheck]], label %for.body.ph.lver.orig, label %for.body.ph
> define void @f1(i16* noalias %a,
> i16* noalias %b, i64 %N) {
> @@ -145,6 +147,9 @@ for.end:
> ; LV-NEXT: [[BECheck:%[^ ]*]] = icmp ugt i64 [[BE]], 4294967295
> ; LV-NEXT: [[CheckOr0:%[^ ]*]] = or i1 [[Cmp]], [[BECheck]]
> ; LV-NEXT: [[PredCheck0:%[^ ]*]] = or i1 [[CheckOr0]], [[OFMulOverflow]]
> +
> +; LV-NEXT: [[Or0:%[^ ]*]] = or i1 false, [[PredCheck0]]
> +
> ; LV: [[OFMul1:%[^ ]*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 4, i64 [[BE]])
> ; LV-NEXT: [[OFMulResult1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 0
> ; LV-NEXT: [[OFMulOverflow1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 1
> @@ -155,7 +160,7 @@ for.end:
> ; LV-NEXT: [[Cmp:%[^ ]*]] = select i1 true, i1 [[CmpNeg1]], i1 [[CmpPos1]]
> ; LV-NEXT: [[PredCheck1:%[^ ]*]] = or i1 [[Cmp]], [[OFMulOverflow1]]
>
> -; LV: [[FinalCheck:%[^ ]*]] = or i1 [[PredCheck0]], [[PredCheck1]]
> +; LV: [[FinalCheck:%[^ ]*]] = or i1 [[Or0]], [[PredCheck1]]
> ; LV: br i1 [[FinalCheck]], label %for.body.ph.lver.orig, label %for.body.ph
> define void @f2(i16* noalias %a,
> i16* noalias %b, i64 %N) {
> @@ -222,6 +227,9 @@ for.end:
> ; LV-NEXT: [[BECheck:%[^ ]*]] = icmp ugt i64 [[BE]], 4294967295
> ; LV-NEXT: [[CheckOr0:%[^ ]*]] = or i1 [[Cmp]], [[BECheck]]
> ; LV-NEXT: [[PredCheck0:%[^ ]*]] = or i1 [[CheckOr0]], [[OFMulOverflow]]
> +
> +; LV-NEXT: [[Or0:%[^ ]*]] = or i1 false, [[PredCheck0]]
> +
> ; LV: [[OFMul1:%[^ ]*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 4, i64 [[BE:%[^ ]*]])
> ; LV-NEXT: [[OFMulResult1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 0
> ; LV-NEXT: [[OFMulOverflow1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 1
> @@ -232,7 +240,7 @@ for.end:
> ; LV-NEXT: [[Cmp:%[^ ]*]] = select i1 false, i1 [[CmpNeg1]], i1 [[CmpPos1]]
> ; LV-NEXT: [[PredCheck1:%[^ ]*]] = or i1 [[Cmp]], [[OFMulOverflow1]]
>
> -; LV: [[FinalCheck:%[^ ]*]] = or i1 [[PredCheck0]], [[PredCheck1]]
> +; LV: [[FinalCheck:%[^ ]*]] = or i1 [[Or0]], [[PredCheck1]]
> ; LV: br i1 [[FinalCheck]], label %for.body.ph.lver.orig, label %for.body.ph
> define void @f3(i16* noalias %a,
> i16* noalias %b, i64 %N) {
> @@ -295,6 +303,9 @@ for.end:
> ; LV-NEXT: [[BECheck:%[^ ]*]] = icmp ugt i64 [[BE]], 4294967295
> ; LV-NEXT: [[CheckOr0:%[^ ]*]] = or i1 [[Cmp]], [[BECheck]]
> ; LV-NEXT: [[PredCheck0:%[^ ]*]] = or i1 [[CheckOr0]], [[OFMulOverflow]]
> +
> +; LV-NEXT: [[Or0:%[^ ]*]] = or i1 false, [[PredCheck0]]
> +
> ; LV: [[OFMul1:%[^ ]*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 4, i64 [[BE:%[^ ]*]])
> ; LV-NEXT: [[OFMulResult1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 0
> ; LV-NEXT: [[OFMulOverflow1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 1
> @@ -305,7 +316,7 @@ for.end:
> ; LV-NEXT: [[Cmp:%[^ ]*]] = select i1 true, i1 [[CmpNeg1]], i1 [[CmpPos1]]
> ; LV-NEXT: [[PredCheck1:%[^ ]*]] = or i1 [[Cmp]], [[OFMulOverflow1]]
>
> -; LV: [[FinalCheck:%[^ ]*]] = or i1 [[PredCheck0]], [[PredCheck1]]
> +; LV: [[FinalCheck:%[^ ]*]] = or i1 [[Or0]], [[PredCheck1]]
> ; LV: br i1 [[FinalCheck]], label %for.body.ph.lver.orig, label %for.body.ph
> define void @f4(i16* noalias %a,
> i16* noalias %b, i64 %N) {
> @@ -370,6 +381,9 @@ for.end:
> ; LV-NEXT: [[BECheck:%[^ ]*]] = icmp ugt i64 [[BE]], 4294967295
> ; LV-NEXT: [[CheckOr0:%[^ ]*]] = or i1 [[Cmp]], [[BECheck]]
> ; LV-NEXT: [[PredCheck0:%[^ ]*]] = or i1 [[CheckOr0]], [[OFMulOverflow]]
> +
> +; LV-NEXT: [[Or0:%[^ ]*]] = or i1 false, [[PredCheck0]]
> +
> ; LV: [[OFMul1:%[^ ]*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 4, i64 [[BE:%[^ ]*]])
> ; LV-NEXT: [[OFMulResult1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 0
> ; LV-NEXT: [[OFMulOverflow1:%[^ ]*]] = extractvalue { i64, i1 } [[OFMul1]], 1
> @@ -380,7 +394,7 @@ for.end:
> ; LV-NEXT: [[Cmp:%[^ ]*]] = select i1 true, i1 [[CmpNeg1]], i1 [[CmpPos1]]
> ; LV-NEXT: [[PredCheck1:%[^ ]*]] = or i1 [[Cmp]], [[OFMulOverflow1]]
>
> -; LV: [[FinalCheck:%[^ ]*]] = or i1 [[PredCheck0]], [[PredCheck1]]
> +; LV: [[FinalCheck:%[^ ]*]] = or i1 [[Or0]], [[PredCheck1]]
> ; LV: br i1 [[FinalCheck]], label %for.body.ph.lver.orig, label %for.body.ph
> define void @f5(i16* noalias %a,
> i16* noalias %b, i64 %N) {
>
> Modified: llvm/trunk/test/Instrumentation/BoundsChecking/opt.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Instrumentation/BoundsChecking/opt.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Instrumentation/BoundsChecking/opt.ll (original)
> +++ llvm/trunk/test/Instrumentation/BoundsChecking/opt.ll Sun Jul 7 15:12:01 2019
> @@ -50,6 +50,7 @@ for.body.i:
> ; CHECK: mul i64 {{.*}}, 4
> ; CHECK: sub i64 4000, %
> ; CHECK-NEXT: icmp ult i64 {{.*}}, 4
> +; CHECK-NEXT: or i1
> ; CHECK: trap
> %1 = load i32, i32* %arrayidx.i, align 4
> %add.i = add nsw i32 %1, %sum.01.i
> @@ -242,6 +243,7 @@ for.body4:
> ; CHECK: add i64
> ; CHECK: sub i64 16, %
> ; CHECK-NEXT: icmp ult i64 {{.*}}, 4
> +; CHECK-NEXT: or i1
> ; CHECK: trap
> %1 = load i32, i32* %arrayidx7, align 4
> %add = add nsw i32 %1, %sum.119
>
> Modified: llvm/trunk/test/Transforms/LoopDistribute/scev-inserted-runtime-check.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopDistribute/scev-inserted-runtime-check.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/LoopDistribute/scev-inserted-runtime-check.ll (original)
> +++ llvm/trunk/test/Transforms/LoopDistribute/scev-inserted-runtime-check.ll Sun Jul 7 15:12:01 2019
> @@ -25,17 +25,18 @@ define void @f(i32* noalias %a, i32* noa
> ; CHECK-NEXT: [[TMP7:%.*]] = icmp ugt i64 [[TMP0]], 4294967295
> ; CHECK-NEXT: [[TMP8:%.*]] = or i1 [[TMP6]], [[TMP7]]
> ; CHECK-NEXT: [[TMP9:%.*]] = or i1 [[TMP8]], [[MUL_OVERFLOW]]
> +; CHECK-NEXT: [[TMP10:%.*]] = or i1 false, [[TMP9]]
> ; CHECK-NEXT: [[MUL3:%.*]] = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 8, i64 [[TMP0]])
> ; CHECK-NEXT: [[MUL_RESULT4:%.*]] = extractvalue { i64, i1 } [[MUL3]], 0
> ; CHECK-NEXT: [[MUL_OVERFLOW5:%.*]] = extractvalue { i64, i1 } [[MUL3]], 1
> -; CHECK-NEXT: [[TMP10:%.*]] = add i64 [[A2]], [[MUL_RESULT4]]
> -; CHECK-NEXT: [[TMP11:%.*]] = sub i64 [[A2]], [[MUL_RESULT4]]
> -; CHECK-NEXT: [[TMP12:%.*]] = icmp ugt i64 [[TMP11]], [[A2]]
> -; CHECK-NEXT: [[TMP13:%.*]] = icmp ult i64 [[TMP10]], [[A2]]
> -; CHECK-NEXT: [[TMP14:%.*]] = select i1 false, i1 [[TMP12]], i1 [[TMP13]]
> -; CHECK-NEXT: [[TMP15:%.*]] = or i1 [[TMP14]], [[MUL_OVERFLOW5]]
> -; CHECK-NEXT: [[TMP16:%.*]] = or i1 [[TMP9]], [[TMP15]]
> -; CHECK-NEXT: br i1 [[TMP16]], label [[FOR_BODY_PH_LVER_ORIG:%.*]], label [[FOR_BODY_PH_LDIST1:%.*]]
> +; CHECK-NEXT: [[TMP11:%.*]] = add i64 [[A2]], [[MUL_RESULT4]]
> +; CHECK-NEXT: [[TMP12:%.*]] = sub i64 [[A2]], [[MUL_RESULT4]]
> +; CHECK-NEXT: [[TMP13:%.*]] = icmp ugt i64 [[TMP12]], [[A2]]
> +; CHECK-NEXT: [[TMP14:%.*]] = icmp ult i64 [[TMP11]], [[A2]]
> +; CHECK-NEXT: [[TMP15:%.*]] = select i1 false, i1 [[TMP13]], i1 [[TMP14]]
> +; CHECK-NEXT: [[TMP16:%.*]] = or i1 [[TMP15]], [[MUL_OVERFLOW5]]
> +; CHECK-NEXT: [[TMP17:%.*]] = or i1 [[TMP10]], [[TMP16]]
> +; CHECK-NEXT: br i1 [[TMP17]], label [[FOR_BODY_PH_LVER_ORIG:%.*]], label [[FOR_BODY_PH_LDIST1:%.*]]
> ; CHECK: for.body.ph.lver.orig:
> ; CHECK-NEXT: br label [[FOR_BODY_LVER_ORIG:%.*]]
> ; CHECK: for.body.lver.orig:
> @@ -69,14 +70,14 @@ define void @f(i32* noalias %a, i32* noa
> ; CHECK-NEXT: [[MUL_LDIST1:%.*]] = mul i32 [[IND1_LDIST1]], 2
> ; CHECK-NEXT: [[MUL_EXT_LDIST1:%.*]] = zext i32 [[MUL_LDIST1]] to i64
> ; CHECK-NEXT: [[ARRAYIDXA_LDIST1:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[MUL_EXT_LDIST1]]
> -; CHECK-NEXT: [[LOADA_LDIST1:%.*]] = load i32, i32* [[ARRAYIDXA_LDIST1]], align 4, !alias.scope !0
> +; CHECK-NEXT: [[LOADA_LDIST1:%.*]] = load i32, i32* [[ARRAYIDXA_LDIST1]], align 4
> ; CHECK-NEXT: [[ARRAYIDXB_LDIST1:%.*]] = getelementptr inbounds i32, i32* [[B]], i64 [[MUL_EXT_LDIST1]]
> -; CHECK-NEXT: [[LOADB_LDIST1:%.*]] = load i32, i32* [[ARRAYIDXB_LDIST1]], align 4, !alias.scope !3
> +; CHECK-NEXT: [[LOADB_LDIST1:%.*]] = load i32, i32* [[ARRAYIDXB_LDIST1]], align 4
> ; CHECK-NEXT: [[MULA_LDIST1:%.*]] = mul i32 [[LOADB_LDIST1]], [[LOADA_LDIST1]]
> ; CHECK-NEXT: [[ADD_LDIST1]] = add nuw nsw i64 [[IND_LDIST1]], 1
> ; CHECK-NEXT: [[INC1_LDIST1]] = add i32 [[IND1_LDIST1]], 1
> ; CHECK-NEXT: [[ARRAYIDXA_PLUS_4_LDIST1:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[ADD_LDIST1]]
> -; CHECK-NEXT: store i32 [[MULA_LDIST1]], i32* [[ARRAYIDXA_PLUS_4_LDIST1]], align 4, !alias.scope !5
> +; CHECK-NEXT: store i32 [[MULA_LDIST1]], i32* [[ARRAYIDXA_PLUS_4_LDIST1]], align 4
> ; CHECK-NEXT: [[EXITCOND_LDIST1:%.*]] = icmp eq i64 [[ADD_LDIST1]], [[N]]
> ; CHECK-NEXT: br i1 [[EXITCOND_LDIST1]], label [[FOR_BODY_PH:%.*]], label [[FOR_BODY_LDIST1]]
> ; CHECK: for.body.ph:
> @@ -89,12 +90,12 @@ define void @f(i32* noalias %a, i32* noa
> ; CHECK-NEXT: [[ADD]] = add nuw nsw i64 [[IND]], 1
> ; CHECK-NEXT: [[INC1]] = add i32 [[IND1]], 1
> ; CHECK-NEXT: [[ARRAYIDXD:%.*]] = getelementptr inbounds i32, i32* [[D]], i64 [[MUL_EXT]]
> -; CHECK-NEXT: [[LOADD:%.*]] = load i32, i32* [[ARRAYIDXD]], align 4, !alias.scope !7
> +; CHECK-NEXT: [[LOADD:%.*]] = load i32, i32* [[ARRAYIDXD]], align 4
> ; CHECK-NEXT: [[ARRAYIDXE:%.*]] = getelementptr inbounds i32, i32* [[E]], i64 [[MUL_EXT]]
> -; CHECK-NEXT: [[LOADE:%.*]] = load i32, i32* [[ARRAYIDXE]], align 4, !alias.scope !9
> +; CHECK-NEXT: [[LOADE:%.*]] = load i32, i32* [[ARRAYIDXE]], align 4
> ; CHECK-NEXT: [[MULC:%.*]] = mul i32 [[LOADD]], [[LOADE]]
> ; CHECK-NEXT: [[ARRAYIDXC:%.*]] = getelementptr inbounds i32, i32* [[C]], i64 [[MUL_EXT]]
> -; CHECK-NEXT: store i32 [[MULC]], i32* [[ARRAYIDXC]], align 4, !alias.scope !11
> +; CHECK-NEXT: store i32 [[MULC]], i32* [[ARRAYIDXC]], align 4
> ; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[ADD]], [[N]]
> ; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END]], label [[FOR_BODY]]
> ; CHECK: for.end:
>
> Modified: llvm/trunk/test/Transforms/LoopPredication/basic.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopPredication/basic.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/LoopPredication/basic.ll (original)
> +++ llvm/trunk/test/Transforms/LoopPredication/basic.ll Sun Jul 7 15:12:01 2019
> @@ -232,11 +232,12 @@ define i32 @signed_loop_0_to_n_ult_check
> ; CHECK-NEXT: br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
> ; CHECK: loop.preheader:
> ; CHECK-NEXT: [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH]]
> +; CHECK-NEXT: [[TMP1:%.*]] = and i1 true, [[TMP0]]
> ; CHECK-NEXT: br label [[LOOP:%.*]]
> ; CHECK: loop:
> ; CHECK-NEXT: [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
> ; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
> -; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP0]], i32 9) [ "deopt"() ]
> +; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP1]], i32 9) [ "deopt"() ]
> ; CHECK-NEXT: [[I_I64:%.*]] = zext i32 [[I]] to i64
> ; CHECK-NEXT: [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
> ; CHECK-NEXT: [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
>
> Modified: llvm/trunk/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll (original)
> +++ llvm/trunk/test/Transforms/LoopPredication/basic_widenable_branch_guards.ll Sun Jul 7 15:12:01 2019
> @@ -282,13 +282,14 @@ define i32 @signed_loop_0_to_n_ult_check
> ; CHECK-NEXT: br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
> ; CHECK: loop.preheader:
> ; CHECK-NEXT: [[TMP0:%.*]] = icmp sle i32 [[N]], [[LENGTH]]
> +; CHECK-NEXT: [[TMP1:%.*]] = and i1 true, [[TMP0]]
> ; CHECK-NEXT: br label [[LOOP:%.*]]
> ; CHECK: loop:
> ; CHECK-NEXT: [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[GUARDED:%.*]] ], [ 0, [[LOOP_PREHEADER]] ]
> ; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[GUARDED]] ], [ 0, [[LOOP_PREHEADER]] ]
> ; CHECK-NEXT: [[WIDENABLE_COND:%.*]] = call i1 @llvm.experimental.widenable.condition()
> -; CHECK-NEXT: [[TMP1:%.*]] = and i1 [[TMP0]], [[WIDENABLE_COND]]
> -; CHECK-NEXT: br i1 [[TMP1]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
> +; CHECK-NEXT: [[TMP2:%.*]] = and i1 [[TMP1]], [[WIDENABLE_COND]]
> +; CHECK-NEXT: br i1 [[TMP2]], label [[GUARDED]], label [[DEOPT:%.*]], !prof !0
> ; CHECK: deopt:
> ; CHECK-NEXT: [[DEOPTCALL:%.*]] = call i32 (...) @llvm.experimental.deoptimize.i32(i32 9) [ "deopt"() ]
> ; CHECK-NEXT: ret i32 [[DEOPTCALL]]
>
> Modified: llvm/trunk/test/Transforms/LoopPredication/invariant_load.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopPredication/invariant_load.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/LoopPredication/invariant_load.ll (original)
> +++ llvm/trunk/test/Transforms/LoopPredication/invariant_load.ll Sun Jul 7 15:12:01 2019
> @@ -385,13 +385,14 @@ define i32 @constant_length(i32* %array,
> ; CHECK-NEXT: br i1 [[TMP5]], label [[EXIT:%.*]], label [[LOOP_PREHEADER:%.*]]
> ; CHECK: loop.preheader:
> ; CHECK-NEXT: [[TMP0:%.*]] = icmp ule i32 [[N]], 20
> +; CHECK-NEXT: [[TMP1:%.*]] = and i1 true, [[TMP0]]
> ; CHECK-NEXT: br label [[LOOP:%.*]]
> ; CHECK: loop:
> ; CHECK-NEXT: [[LOOP_ACC:%.*]] = phi i32 [ [[LOOP_ACC_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
> ; CHECK-NEXT: [[I:%.*]] = phi i32 [ [[I_NEXT:%.*]], [[LOOP]] ], [ 0, [[LOOP_PREHEADER]] ]
> ; CHECK-NEXT: [[UNKNOWN:%.*]] = load volatile i1, i1* @UNKNOWN
> ; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[UNKNOWN]]) [ "deopt"() ]
> -; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP0]], i32 9) [ "deopt"() ]
> +; CHECK-NEXT: call void (i1, ...) @llvm.experimental.guard(i1 [[TMP1]], i32 9) [ "deopt"() ]
> ; CHECK-NEXT: [[I_I64:%.*]] = zext i32 [[I]] to i64
> ; CHECK-NEXT: [[ARRAY_I_PTR:%.*]] = getelementptr inbounds i32, i32* [[ARRAY:%.*]], i64 [[I_I64]]
> ; CHECK-NEXT: [[ARRAY_I:%.*]] = load i32, i32* [[ARRAY_I_PTR]], align 4
>
> Modified: llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll (original)
> +++ llvm/trunk/test/Transforms/LoopVectorize/X86/illegal-parallel-loop-uniform-write.ll Sun Jul 7 15:12:01 2019
> @@ -71,33 +71,34 @@ define void @foo(i32* nocapture %a, i32*
> ; CHECK-NEXT: [[TMP13:%.*]] = icmp slt i32 [[TMP10]], [[TMP8]]
> ; CHECK-NEXT: [[TMP14:%.*]] = select i1 false, i1 [[TMP12]], i1 [[TMP13]]
> ; CHECK-NEXT: [[TMP15:%.*]] = or i1 [[TMP14]], [[MUL_OVERFLOW]]
> -; CHECK-NEXT: br i1 [[TMP15]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK-NEXT: [[TMP16:%.*]] = or i1 false, [[TMP15]]
> +; CHECK-NEXT: br i1 [[TMP16]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> ; CHECK: vector.ph:
> ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i64 [[TMP2]], 4
> ; CHECK-NEXT: [[N_VEC:%.*]] = sub i64 [[TMP2]], [[N_MOD_VF]]
> ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> ; CHECK: vector.body:
> ; CHECK-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> -; CHECK-NEXT: [[TMP16:%.*]] = trunc i64 [[INDEX]] to i32
> -; CHECK-NEXT: [[TMP17:%.*]] = add i32 [[TMP16]], 0
> -; CHECK-NEXT: [[TMP18:%.*]] = add i32 [[ADD_US]], [[TMP17]]
> -; CHECK-NEXT: [[TMP19:%.*]] = sext i32 [[TMP18]] to i64
> -; CHECK-NEXT: [[TMP20:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP19]]
> -; CHECK-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[TMP20]], i32 0
> -; CHECK-NEXT: [[TMP22:%.*]] = bitcast i32* [[TMP21]] to <4 x i32>*
> -; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP22]], align 4
> -; CHECK-NEXT: [[TMP23:%.*]] = add nsw <4 x i32> [[WIDE_LOAD]], <i32 1, i32 1, i32 1, i32 1>
> -; CHECK-NEXT: [[TMP24:%.*]] = extractelement <4 x i32> [[TMP23]], i32 0
> -; CHECK-NEXT: store i32 [[TMP24]], i32* [[ARRAYIDX7_US]], align 4, !llvm.mem.parallel_loop_access !0
> -; CHECK-NEXT: [[TMP25:%.*]] = extractelement <4 x i32> [[TMP23]], i32 1
> +; CHECK-NEXT: [[TMP17:%.*]] = trunc i64 [[INDEX]] to i32
> +; CHECK-NEXT: [[TMP18:%.*]] = add i32 [[TMP17]], 0
> +; CHECK-NEXT: [[TMP19:%.*]] = add i32 [[ADD_US]], [[TMP18]]
> +; CHECK-NEXT: [[TMP20:%.*]] = sext i32 [[TMP19]] to i64
> +; CHECK-NEXT: [[TMP21:%.*]] = getelementptr inbounds i32, i32* [[A]], i64 [[TMP20]]
> +; CHECK-NEXT: [[TMP22:%.*]] = getelementptr inbounds i32, i32* [[TMP21]], i32 0
> +; CHECK-NEXT: [[TMP23:%.*]] = bitcast i32* [[TMP22]] to <4 x i32>*
> +; CHECK-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i32>, <4 x i32>* [[TMP23]], align 4
> +; CHECK-NEXT: [[TMP24:%.*]] = add nsw <4 x i32> [[WIDE_LOAD]], <i32 1, i32 1, i32 1, i32 1>
> +; CHECK-NEXT: [[TMP25:%.*]] = extractelement <4 x i32> [[TMP24]], i32 0
> ; CHECK-NEXT: store i32 [[TMP25]], i32* [[ARRAYIDX7_US]], align 4, !llvm.mem.parallel_loop_access !0
> -; CHECK-NEXT: [[TMP26:%.*]] = extractelement <4 x i32> [[TMP23]], i32 2
> +; CHECK-NEXT: [[TMP26:%.*]] = extractelement <4 x i32> [[TMP24]], i32 1
> ; CHECK-NEXT: store i32 [[TMP26]], i32* [[ARRAYIDX7_US]], align 4, !llvm.mem.parallel_loop_access !0
> -; CHECK-NEXT: [[TMP27:%.*]] = extractelement <4 x i32> [[TMP23]], i32 3
> +; CHECK-NEXT: [[TMP27:%.*]] = extractelement <4 x i32> [[TMP24]], i32 2
> ; CHECK-NEXT: store i32 [[TMP27]], i32* [[ARRAYIDX7_US]], align 4, !llvm.mem.parallel_loop_access !0
> +; CHECK-NEXT: [[TMP28:%.*]] = extractelement <4 x i32> [[TMP24]], i32 3
> +; CHECK-NEXT: store i32 [[TMP28]], i32* [[ARRAYIDX7_US]], align 4, !llvm.mem.parallel_loop_access !0
> ; CHECK-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4
> -; CHECK-NEXT: [[TMP28:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> -; CHECK-NEXT: br i1 [[TMP28]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !5
> +; CHECK-NEXT: [[TMP29:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP29]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !5
> ; CHECK: middle.block:
> ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i64 [[TMP2]], [[N_VEC]]
> ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_END_US]], label [[SCALAR_PH]]
>
> Modified: llvm/trunk/test/Transforms/LoopVectorize/X86/pr35432.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopVectorize/X86/pr35432.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/LoopVectorize/X86/pr35432.ll (original)
> +++ llvm/trunk/test/Transforms/LoopVectorize/X86/pr35432.ll Sun Jul 7 15:12:01 2019
> @@ -40,16 +40,16 @@ define i32 @main() local_unnamed_addr #0
> ; CHECK-NEXT: [[TMP4:%.*]] = zext i8 [[TMP3]] to i32
> ; CHECK-NEXT: [[TMP5:%.*]] = add i32 [[TMP4]], 1
> ; CHECK-NEXT: [[TMP6:%.*]] = icmp ult i32 [[TMP2]], [[TMP4]]
> -; CHECK-NEXT: [[UMIN:%.*]] = select i1 [[TMP6]], i32 [[TMP2]], i32 [[TMP4]]
> -; CHECK-NEXT: [[TMP7:%.*]] = sub i32 [[TMP5]], [[UMIN]]
> +; CHECK-NEXT: [[UMAX:%.*]] = select i1 [[TMP6]], i32 [[TMP2]], i32 [[TMP4]]
> +; CHECK-NEXT: [[TMP7:%.*]] = sub i32 [[TMP5]], [[UMAX]]
> ; CHECK-NEXT: [[MIN_ITERS_CHECK:%.*]] = icmp ult i32 [[TMP7]], 8
> ; CHECK-NEXT: br i1 [[MIN_ITERS_CHECK]], label [[SCALAR_PH:%.*]], label [[VECTOR_SCEVCHECK:%.*]]
> ; CHECK: vector.scevcheck:
> ; CHECK-NEXT: [[TMP8:%.*]] = add i8 [[CONV3]], -1
> ; CHECK-NEXT: [[TMP9:%.*]] = zext i8 [[TMP8]] to i32
> ; CHECK-NEXT: [[TMP10:%.*]] = icmp ult i32 [[TMP2]], [[TMP9]]
> -; CHECK-NEXT: [[UMIN1:%.*]] = select i1 [[TMP10]], i32 [[TMP2]], i32 [[TMP9]]
> -; CHECK-NEXT: [[TMP11:%.*]] = sub i32 [[TMP9]], [[UMIN1]]
> +; CHECK-NEXT: [[UMAX1:%.*]] = select i1 [[TMP10]], i32 [[TMP2]], i32 [[TMP9]]
> +; CHECK-NEXT: [[TMP11:%.*]] = sub i32 [[TMP9]], [[UMAX1]]
> ; CHECK-NEXT: [[TMP12:%.*]] = trunc i32 [[TMP11]] to i8
> ; CHECK-NEXT: [[MUL:%.*]] = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 1, i8 [[TMP12]])
> ; CHECK-NEXT: [[MUL_RESULT:%.*]] = extractvalue { i8, i1 } [[MUL]], 0
> @@ -62,47 +62,48 @@ define i32 @main() local_unnamed_addr #0
> ; CHECK-NEXT: [[TMP18:%.*]] = icmp ugt i32 [[TMP11]], 255
> ; CHECK-NEXT: [[TMP19:%.*]] = or i1 [[TMP17]], [[TMP18]]
> ; CHECK-NEXT: [[TMP20:%.*]] = or i1 [[TMP19]], [[MUL_OVERFLOW]]
> -; CHECK-NEXT: br i1 [[TMP20]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> +; CHECK-NEXT: [[TMP21:%.*]] = or i1 false, [[TMP20]]
> +; CHECK-NEXT: br i1 [[TMP21]], label [[SCALAR_PH]], label [[VECTOR_PH:%.*]]
> ; CHECK: vector.ph:
> ; CHECK-NEXT: [[N_MOD_VF:%.*]] = urem i32 [[TMP7]], 8
> ; CHECK-NEXT: [[N_VEC:%.*]] = sub i32 [[TMP7]], [[N_MOD_VF]]
> ; CHECK-NEXT: [[CAST_CRD:%.*]] = trunc i32 [[N_VEC]] to i8
> ; CHECK-NEXT: [[IND_END:%.*]] = sub i8 [[CONV3]], [[CAST_CRD]]
> -; CHECK-NEXT: [[TMP21:%.*]] = insertelement <4 x i32> zeroinitializer, i32 [[DOTPROMOTED]], i32 0
> +; CHECK-NEXT: [[TMP22:%.*]] = insertelement <4 x i32> zeroinitializer, i32 [[DOTPROMOTED]], i32 0
> ; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
> ; CHECK: vector.body:
> ; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
> -; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ [[TMP21]], [[VECTOR_PH]] ], [ [[TMP25:%.*]], [[VECTOR_BODY]] ]
> -; CHECK-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP26:%.*]], [[VECTOR_BODY]] ]
> -; CHECK-NEXT: [[TMP22:%.*]] = trunc i32 [[INDEX]] to i8
> -; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i8 [[CONV3]], [[TMP22]]
> +; CHECK-NEXT: [[VEC_PHI:%.*]] = phi <4 x i32> [ [[TMP22]], [[VECTOR_PH]] ], [ [[TMP26:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[VEC_PHI2:%.*]] = phi <4 x i32> [ zeroinitializer, [[VECTOR_PH]] ], [ [[TMP27:%.*]], [[VECTOR_BODY]] ]
> +; CHECK-NEXT: [[TMP23:%.*]] = trunc i32 [[INDEX]] to i8
> +; CHECK-NEXT: [[OFFSET_IDX:%.*]] = sub i8 [[CONV3]], [[TMP23]]
> ; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <4 x i8> undef, i8 [[OFFSET_IDX]], i32 0
> ; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <4 x i8> [[BROADCAST_SPLATINSERT]], <4 x i8> undef, <4 x i32> zeroinitializer
> ; CHECK-NEXT: [[INDUCTION:%.*]] = add <4 x i8> [[BROADCAST_SPLAT]], <i8 0, i8 -1, i8 -2, i8 -3>
> ; CHECK-NEXT: [[INDUCTION3:%.*]] = add <4 x i8> [[BROADCAST_SPLAT]], <i8 -4, i8 -5, i8 -6, i8 -7>
> -; CHECK-NEXT: [[TMP23:%.*]] = add i8 [[OFFSET_IDX]], 0
> -; CHECK-NEXT: [[TMP24:%.*]] = add i8 [[OFFSET_IDX]], -4
> -; CHECK-NEXT: [[TMP25]] = add <4 x i32> [[VEC_PHI]], <i32 1, i32 1, i32 1, i32 1>
> -; CHECK-NEXT: [[TMP26]] = add <4 x i32> [[VEC_PHI2]], <i32 1, i32 1, i32 1, i32 1>
> -; CHECK-NEXT: [[TMP27:%.*]] = add i8 [[TMP23]], -1
> +; CHECK-NEXT: [[TMP24:%.*]] = add i8 [[OFFSET_IDX]], 0
> +; CHECK-NEXT: [[TMP25:%.*]] = add i8 [[OFFSET_IDX]], -4
> +; CHECK-NEXT: [[TMP26]] = add <4 x i32> [[VEC_PHI]], <i32 1, i32 1, i32 1, i32 1>
> +; CHECK-NEXT: [[TMP27]] = add <4 x i32> [[VEC_PHI2]], <i32 1, i32 1, i32 1, i32 1>
> ; CHECK-NEXT: [[TMP28:%.*]] = add i8 [[TMP24]], -1
> -; CHECK-NEXT: [[TMP29:%.*]] = zext i8 [[TMP27]] to i32
> +; CHECK-NEXT: [[TMP29:%.*]] = add i8 [[TMP25]], -1
> ; CHECK-NEXT: [[TMP30:%.*]] = zext i8 [[TMP28]] to i32
> +; CHECK-NEXT: [[TMP31:%.*]] = zext i8 [[TMP29]] to i32
> ; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 8
> -; CHECK-NEXT: [[TMP31:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> -; CHECK-NEXT: br i1 [[TMP31]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
> +; CHECK-NEXT: [[TMP32:%.*]] = icmp eq i32 [[INDEX_NEXT]], [[N_VEC]]
> +; CHECK-NEXT: br i1 [[TMP32]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
> ; CHECK: middle.block:
> -; CHECK-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP26]], [[TMP25]]
> +; CHECK-NEXT: [[BIN_RDX:%.*]] = add <4 x i32> [[TMP27]], [[TMP26]]
> ; CHECK-NEXT: [[RDX_SHUF:%.*]] = shufflevector <4 x i32> [[BIN_RDX]], <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 undef, i32 undef>
> ; CHECK-NEXT: [[BIN_RDX4:%.*]] = add <4 x i32> [[BIN_RDX]], [[RDX_SHUF]]
> ; CHECK-NEXT: [[RDX_SHUF5:%.*]] = shufflevector <4 x i32> [[BIN_RDX4]], <4 x i32> undef, <4 x i32> <i32 1, i32 undef, i32 undef, i32 undef>
> ; CHECK-NEXT: [[BIN_RDX6:%.*]] = add <4 x i32> [[BIN_RDX4]], [[RDX_SHUF5]]
> -; CHECK-NEXT: [[TMP32:%.*]] = extractelement <4 x i32> [[BIN_RDX6]], i32 0
> +; CHECK-NEXT: [[TMP33:%.*]] = extractelement <4 x i32> [[BIN_RDX6]], i32 0
> ; CHECK-NEXT: [[CMP_N:%.*]] = icmp eq i32 [[TMP7]], [[N_VEC]]
> ; CHECK-NEXT: br i1 [[CMP_N]], label [[FOR_COND4_FOR_INC9_CRIT_EDGE:%.*]], label [[SCALAR_PH]]
> ; CHECK: scalar.ph:
> ; CHECK-NEXT: [[BC_RESUME_VAL:%.*]] = phi i8 [ [[IND_END]], [[MIDDLE_BLOCK]] ], [ [[CONV3]], [[FOR_BODY8_LR_PH]] ], [ [[CONV3]], [[VECTOR_SCEVCHECK]] ]
> -; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[DOTPROMOTED]], [[FOR_BODY8_LR_PH]] ], [ [[DOTPROMOTED]], [[VECTOR_SCEVCHECK]] ], [ [[TMP32]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[BC_MERGE_RDX:%.*]] = phi i32 [ [[DOTPROMOTED]], [[FOR_BODY8_LR_PH]] ], [ [[DOTPROMOTED]], [[VECTOR_SCEVCHECK]] ], [ [[TMP33]], [[MIDDLE_BLOCK]] ]
> ; CHECK-NEXT: br label [[FOR_BODY8:%.*]]
> ; CHECK: for.body8:
> ; CHECK-NEXT: [[INC5:%.*]] = phi i32 [ [[BC_MERGE_RDX]], [[SCALAR_PH]] ], [ [[INC:%.*]], [[FOR_BODY8]] ]
> @@ -113,7 +114,7 @@ define i32 @main() local_unnamed_addr #0
> ; CHECK-NEXT: [[CMP6:%.*]] = icmp ult i32 [[TMP2]], [[CONV5]]
> ; CHECK-NEXT: br i1 [[CMP6]], label [[FOR_BODY8]], label [[FOR_COND4_FOR_INC9_CRIT_EDGE]], !llvm.loop !2
> ; CHECK: for.cond4.for.inc9_crit_edge:
> -; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], [[FOR_BODY8]] ], [ [[TMP32]], [[MIDDLE_BLOCK]] ]
> +; CHECK-NEXT: [[INC_LCSSA:%.*]] = phi i32 [ [[INC]], [[FOR_BODY8]] ], [ [[TMP33]], [[MIDDLE_BLOCK]] ]
> ; CHECK-NEXT: store i32 [[INC_LCSSA]], i32* getelementptr inbounds ([192 x [192 x i32]], [192 x [192 x i32]]* @a, i64 0, i64 0, i64 0), align 16
> ; CHECK-NEXT: br label [[FOR_INC9]]
> ; CHECK: for.inc9:
>
> Modified: llvm/trunk/test/Transforms/LoopVectorize/pr30654-phiscev-sext-trunc.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/LoopVectorize/pr30654-phiscev-sext-trunc.ll?rev=365284&r1=365283&r2=365284&view=diff
> ==============================================================================
> --- llvm/trunk/test/Transforms/LoopVectorize/pr30654-phiscev-sext-trunc.ll (original)
> +++ llvm/trunk/test/Transforms/LoopVectorize/pr30654-phiscev-sext-trunc.ll Sun Jul 7 15:12:01 2019
> @@ -33,8 +33,9 @@ target datalayout = "e-m:e-i64:64-f80:12
> ; CHECK: %mul = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 {{.*}}, i8 {{.*}})
> ; CHECK-NOT: %mul = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 {{.*}}, i8 {{.*}})
> ; CHECK: %[[TEST:[0-9]+]] = or i1 {{.*}}, %mul.overflow
> +; CHECK: %[[NTEST:[0-9]+]] = or i1 false, %[[TEST]]
> ; CHECK: %ident.check = icmp ne i32 {{.*}}, %{{.*}}
> -; CHECK: %{{.*}} = or i1 %[[TEST]], %ident.check
> +; CHECK: %{{.*}} = or i1 %[[NTEST]], %ident.check
> ; CHECK-NOT: %mul = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 {{.*}}, i8 {{.*}})
> ; CHECK: vector.body:
> ; CHECK: <4 x i32>
> @@ -91,9 +92,10 @@ for.end:
> ; CHECK: %mul = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 {{.*}}, i8 {{.*}})
> ; CHECK-NOT: %mul = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 {{.*}}, i8 {{.*}})
> ; CHECK: %[[TEST:[0-9]+]] = or i1 {{.*}}, %mul.overflow
> +; CHECK: %[[NTEST:[0-9]+]] = or i1 false, %[[TEST]]
> ; CHECK: %[[EXT:[0-9]+]] = sext i8 {{.*}} to i32
> ; CHECK: %ident.check = icmp ne i32 {{.*}}, %[[EXT]]
> -; CHECK: %{{.*}} = or i1 %[[TEST]], %ident.check
> +; CHECK: %{{.*}} = or i1 %[[NTEST]], %ident.check
> ; CHECK-NOT: %mul = call { i8, i1 } @llvm.umul.with.overflow.i8(i8 {{.*}}, i8 {{.*}})
> ; CHECK: vector.body:
> ; CHECK: <4 x i32>
>
>
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